Note: Exact file names for NFS:UR vary; preservation work requires obtaining a dump from a real Memory Stick or a decrypted PSP ISO/UMD and inspecting the savedata directory.

The DATA.BIN file is a proprietary binary format. Unlike later NFS titles, Underground Rivals does not employ basic checksums or CRC validation, making it susceptible to silent corruption from:

Sign of corruption: The game will load but may freeze on the profile selection screen, show “No Data” despite the file being present, or crash when entering the garage.

Enable codes like:

Note: Cheats can corrupt saves if entered incorrectly. Always backup first.


This is a post-game mode that is brutal. It forces you to race every boss in the game back-to-back with no restarts. A 100% save file unlocks this from the main menu. It is the ultimate test of skill—and a great way to show off your downloaded save’s fully-kitted Evo VIII.